packet: on direct_xmit, limit tso and csum to supported devices

[cascardo/linux.git] / net / packet / af_packet.c

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 11db0d6..d2238b2 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -250,7 +250,7 @@ static void __fanout_link(struct sock *sk, struct packet_sock *po);
 static int packet_direct_xmit(struct sk_buff *skb)
 {
        struct net_device *dev = skb->dev;
-       netdev_features_t features;
+       struct sk_buff *orig_skb = skb;
        struct netdev_queue *txq;
        int ret = NETDEV_TX_BUSY;
 
@@ -258,9 +258,8 @@ static int packet_direct_xmit(struct sk_buff *skb)
                     !netif_carrier_ok(dev)))
                goto drop;
 
-       features = netif_skb_features(skb);
-       if (skb_needs_linearize(skb, features) &&
-           __skb_linearize(skb))
+       skb = validate_xmit_skb_list(skb, dev);
+       if (skb != orig_skb)
                goto drop;
 
        txq = skb_get_tx_queue(dev, skb);
@@ -280,7 +279,7 @@ static int packet_direct_xmit(struct sk_buff *skb)
        return ret;
 drop:
        atomic_long_inc(&dev->tx_dropped);
-       kfree_skb(skb);
+       kfree_skb_list(skb);
        return NET_XMIT_DROP;
 }